Lower Otay Reservoir

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Lower Otay Reservoir
Lower Otay Reservoir, Tijuana (cropped).jpg
Location San Diego County, California
Coordinates 32°38′14″N 116°55′30″W / 32.6372°N 116.9249°W / 32.6372; -116.9249Coordinates: 32°38′14″N 116°55′30″W / 32.6372°N 116.9249°W / 32.6372; -116.9249
Type Reservoir
Primary inflows Otay River
San Diego Aqueduct
Primary outflows Otay River
Catchment area Otay and Proctor Valleys[1]
Basin countries United States
Surface area 1,100 acres (450 ha) [2]
Average depth 124 ft (38 m) (August 2009) [3]
Max. depth 137.5 ft (41.9 m) [2]
Water volume 49,500 acre·ft (61,100,000 m3)
Shore length1 25 mi (40 km) [2]
Surface elevation 381 ft (116 m)
References U.S. Geological Survey Geographic Names Information System: Lower Otay Reservoir
1 Shore length is not a well-defined measure.

Lower Otay Reservoir is an artificial lake in San Diego County, California, flanked by Otay County Open Space Preserve and Chula Vista. The reservoir is formed by impounding the waters of the Otay River, behind Savage Dam, completed in 1918, and is the terminus for both the Second San Diego Aqueduct,[4] which transports imported water from the Colorado River.[5] The dam and reservoir are owned by the City of San Diego.

History[edit]

Lower Otay Reservoir was originally created in 1897 after the construction of the Lower Otay Dam by the Southern California Mountain Water Company.[6] The original dam was a rock fill type of 125 feet (38 m) high.[7] That dam gave way in January 1916 following heavy rains which affected most of Southern California flooding the Otay Valley with a wall of water ranging from 20 to 100 feet (6.1 to 30.5 m) in height during the event, killing more than 14 people.[8] The flood swept away entire farms and buildings, including the Montgomery residence at Fruitland near the mouth of the river, where John J. Montgomery had built his initial series of manned glider designs.[9] The rains were ostensibly the work of the "rainmaker" Charles Hatfield, who had been hired by the City of San Diego to assist in increasing rainfall to fill nearby Morena Reservoir. He was never charged with any crimes. Following this the present Arch-gravity dam was built.[7]

An SB2C Helldiver plane was spotted in the lake in February 2009 by a bass fisherman. Divers examined the plane on July 23, 2009, to see if it can be salvaged for museum display. The plane was raised on August 20, 2010.[10][11] On May 28, 1945, the Helldiver was on a practice bombing run from a nearby aircraft carrier when a stalled engine forced an emergency landing in the reservoir.[12]

TOPGUN F-16 and A-4 aircraft in formation over Lower Otay Lake prior to development.


See also[edit]

References[edit]

  1. ^ Common Grounds Project (2006). "The Otay Watershed (HU 910.00)". San Diego Bay Watersheds. San Diego State University. Retrieved 2009-03-22. 
  2. ^ a b c "Lower Otay Reservoir". Water department. City of San Diego. Retrieved 17 August 2009. 
  3. ^ "Water Levels". Water Department. City of San Diego. Retrieved 17 August 2009. 
  4. ^ Water Department (2005). "Watershed Sanitary Survey". City of San Diego. p. Volume 3. 
  5. ^ Norman Durfor, Charles; Becker, Edith (1962). Public Water Supplies of the 100 Largest Cities in the United States, 1962, Issue 1812. Government Printing Office. p. 133. Retrieved 2 September 2014. 
  6. ^ "Otay Valley". USD History Department. University of San Diego. 29 October 2004. Retrieved 17 August 2009. 
  7. ^ a b Hill, Joseph (2002). "Dry Rivers, Dammed Rivers and Floods: An Early History of the Struggle Between Droughts and Floods in San Diego". The Journal of San Diego History 48 (1). Retrieved 2009-08-17. 
  8. ^ Hill, Joseph (2002). "Dry Rivers, Dammed Rivers and Floods: An Early History of the Struggle Between Droughts and Floods in San Diego". The Journal of San Diego History (City of San Diego) 48 (1). Retrieved 2009-08-17. 
  9. ^ Fogal, Gary B.; Harwood, Craig S. (11 October 2012). Quest for Flight: John J. Montgomery and the Dawn of Aviation in the West. Univestiy of Oklahoma Press. p. 172. ISBN 9780806187815. Retrieved 2 September 2014. 
  10. ^ Carlson, Chris. "WWII warplane raised from California reservoir". Associated Press. Retrieved 21 August 2010. [dead link]
  11. ^ Chris Carlson (20 August 2011). "WWII warplane raised from California reservoir". San Diego Union Tribune. Retrieved 14 May 2011. 
  12. ^ Zieralski, Ed (21 July 2009). "Search for fish unearths history". San Diego Union Tribune (The San Diego Union-Tribune, LLC). Retrieved 14 August 2009. 

External links[edit]